Home / 259,945.14-389,474.10-141,404.88

Finding the Fourth Proportional to 259,945.14, 389,474.10 and 141,404.88

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Solution

The fourth proportional to 259,945.14, 389,474.10 and 141,404.88 is: 211,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,945.14 : 389,474.10 = 141,404.88 : x
  2. Step 2: Convert to fraction form
    259,945.14/389,474.10 = 141,404.88/x
  3. Step 3: Cross multiply
    259,945.14x = 389,474.10 × 141,404.88
  4. Step 4: Simplify right side
    259,945.14x = 55,073,538,373.61
  5. Step 5: Solve for x
    x = 55,073,538,373.61/259,945.14
  6. Step 6: Final answer
    x = 211,866.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.